
DSPPA WH-3FII Volume Controller
The DSPPA WH-3FII is a 6W volume controller for voltage speakers in public address systems. It uses a rotary stepless control, so the level can be set smoothly instead of in fixed steps. DSPPA documents the WH-3II and WH-3FII together on one datasheet.

Stepless Volume: A rotary stepless control gives a wide adjustment range. The level changes smoothly as you turn the knob.
Flexible Wiring: The controller works with 2-wire, 3-wire, 4-wire and 6-wire systems. This makes it easier to match the wiring already installed.

ABS Housing: The body is made of environmentally friendly ABS plastic that is impact resistant, durable and hard to deform.
Lacquered Panel: The panel gets a color injection treatment for a brighter finish. DSPPA says this helps it resist scratching.
Good to know
The rated capacity is 6W.
Technical Specifications
| Model | WH-3II / WH-3FII |
| Capacity | 6W |
| Speaker type | Voltage speaker |
| Volume adjustment | Rotary, stepless |
| Wire mode | 2-wire, 3-wire, 4-wire, 6-wire |
| Finish | White ABS |
📄 Datasheet: Download the official DSPPA WH-3II / WH-3FII datasheet (PDF)
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